Re: [PATCH 4/4] spi: s3c64xx: Fix large transfers with DMA
From: Mark Brown
Date: Mon Sep 19 2022 - 10:39:15 EST
On Fri, Sep 16, 2022 at 01:39:51PM +0200, Vincent Whitchurch wrote:
> The COUNT_VALUE in the PACKET_CNT register is 16-bit so the maximum
> value is 65535. Asking the driver to transfer a larger size currently
> leads to the DMA transfer timing out. Fix this by splitting the
> transfer as needed.
The driver should just set max_transfer_size and let the core
handle this.
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